Question: If 1/2 of 5 is 3, then what is 1/3 of 10?
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Maths Riddle
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1 Maths Riddle Thu Dec 04, 2014 2:58 pm
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2 Re: Maths Riddle Thu Dec 04, 2014 4:05 pm
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3 Re: Maths Riddle Fri Sep 09, 2016 11:39 am
Kessie Nartey
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3 is the answer
4 Re: Maths Riddle Fri Sep 09, 2016 12:12 pm
Felizo
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the answer is 3.333333333
5 Re: Maths Riddle Sat Sep 10, 2016 3:41 pm
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the answer is 3.8
6 Re: Maths Riddle Sun Sep 11, 2016 6:22 am
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Actually, 1/2 of 5 = 2.5... But to be in line with the question when 2.5 is rounded to the nearest whole number, it becomes 3... Hence 1/2 of 5 = 3...
This implies that;
if 1/2 x 5 = 3
then 1/3 x 10= ?
Lets represent that unknown variable with Y, therefore the above relation becomes
5/2 = 3
10/3 = Y
Next, you have to cross multiply. So;
5/2 x Y = 10/3 x 3
5/2Y = 10
now you multiply both sides by the denominator 2,
5Y = 2 x 10
5Y = 20
divide both sides by 5 gives;
5Y/5 = 20/5
Therefore
Y = 4
So in conjunction with the question if 1/2 of 5 is 3, then 1/3 of 10 is 4 as required.....
I guess i helped in solving this question.... Thanks
This implies that;
if 1/2 x 5 = 3
then 1/3 x 10= ?
Lets represent that unknown variable with Y, therefore the above relation becomes
5/2 = 3
10/3 = Y
Next, you have to cross multiply. So;
5/2 x Y = 10/3 x 3
5/2Y = 10
now you multiply both sides by the denominator 2,
5Y = 2 x 10
5Y = 20
divide both sides by 5 gives;
5Y/5 = 20/5
Therefore
Y = 4
So in conjunction with the question if 1/2 of 5 is 3, then 1/3 of 10 is 4 as required.....
I guess i helped in solving this question.... Thanks
Last edited by chinesta10 on Sun Sep 11, 2016 6:25 am; edited 1 time in total (Reason for editing : typing mistake)
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